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Communication | Regular issue | Vol 3, No. 3, 1975, pp.193-196
Published online, 1st January, 1970
DOI: 10.3987/R-1975-03-0193
Reaction of Dimethylvinylidenecarbene with Azobenzene. A Novel Formation of Benzimidazole Derivatibe

Tadashi Sasaki,* Shoji Eguchi, and Tetsuo Ogawa

*Institute of Applied Organic Chemistry, Faculty of Engineering, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan

Abstract

Dimethylvinylidenecarbene (2) generated from 3-chloro-3-methyl-1-butyne (1) and alkali by the phase-transfer method reacted with azobenzene (4) to afford 1-phenyl-2-isobutenylbenzimidazole (5).